APA (7th ed.) Citation

CD, H., JA, H., MS, U., DM, E., HK, U., & RR, N. (1984). Investigation of a cluster of anencephaly and spina bifida. American journal of epidemiology, 120(4), 559. https://doi.org/10.1093/oxfordjournals.aje.a113917

Chicago Style (17th ed.) Citation

CD, Hearey, Harris JA, Usatin MS, Epstein DM, Ury HK, and Neutra RR. "Investigation of a Cluster of Anencephaly and Spina Bifida." American Journal of Epidemiology 120, no. 4 (1984): 559. https://doi.org/10.1093/oxfordjournals.aje.a113917.

MLA (9th ed.) Citation

CD, Hearey, et al. "Investigation of a Cluster of Anencephaly and Spina Bifida." American Journal of Epidemiology, vol. 120, no. 4, 1984, p. 559, https://doi.org/10.1093/oxfordjournals.aje.a113917.